A184954 Number of connected 5-regular simple graphs on 2n vertices with girth exactly 4.

0, 0, 0, 0, 0, 1, 1, 7, 388, 406824, 1125022325, 3813549359274

Offset: 0

Author

Jason Kimberley, Feb 27 2011

Keywords

• nonn
• more
• hard

Links

• Jason Kimberley, Index of sequences counting connected k-regular simple graphs with girth exactly g

Crossrefs

Connected k-regular simple graphs with girth exactly 4: A006924 (k=3), A184944 (k=4), this sequence (k=5), A184964 (k=6), A184974 (k=7).

Connected 5-regular simple graphs with girth at least g: A006821 (g=3), A058275 (g=4).

Connected 5-regular simple graphs with girth exactly g: A184953 (g=3), this sequence (g=4), A184955 (g=5).